Carta-patente expirada
#21.1
07/15/1986
RPI 821
The letters patent expired on 07/15/1986: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 07/15/1986. We update with every new RPI gazette, published weekly.
Applicants
ENGEL & CIA LTDA
Inventors
Y. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
07/15/1986
RPI 821
11/09/1982
RPI 629
#17.1
06/01/1982
RPI 606
#16.1
04/27/1982
RPI 601
12/22/1981
RPI 583
12/22/1981
RPI 583
From the same holder
Same category
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